Originally Posted by
dtsm
Do a search for UMA and WiFi calling - there's tons of ideas. I've been using TMO and UMA since inception, and link it with a skype-to-go number + unlimited international skype program. So when overseas, as long as I can connect my BB with wifi, basically make free calls almost anywhere worldwide for free or pennies.
This sounds like the solution. Now to get it all with an iPhone 4.